haku: @journal_id 1223 / yhteensä: 21
viite: 12 / 21
| Tekijä: | Liu, Qingyuan Ma, Dangzhou |
| Otsikko: | Grassland degeneration is startling/Grassland (original in Chinese) |
| Lehti: | Economic and Social Development of Nationalities (c)
1995 : 8, p.39-40 |
| Asiasana: | AGRICULTURE CHINA |
| Kieli: | chi |
| Tiivistelmä: | Because a large area of grassland in Qinghai pastoral area is degenerating due to the unbalance between grass and domestic animal, as a result of the overload of grassland for a long time, prairie's animal husbandry is facing potential crisis. According to statistics, the area of degenerate grassland has reached 92.86 million mu, desertized grassland 29 million mu, poisonous weeds 35 million mu and the damaged grassland, caused by rats and insect pest 60 million mu. In addition, the grassland area, occupied for gold mining and damaged are 16 million mu. grassland degeneration leads to the declining output of grass and individual physique of livestock, low breeding rate and high death rate. |
SCIMA